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Finding the Fourth Proportional to 359,532.68, 496,154.52 and 198,387.60

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Solution

The fourth proportional to 359,532.68, 496,154.52 and 198,387.60 is: 273,774.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,532.68 : 496,154.52 = 198,387.60 : x
  2. Step 2: Convert to fraction form
    359,532.68/496,154.52 = 198,387.60/x
  3. Step 3: Cross multiply
    359,532.68x = 496,154.52 × 198,387.60
  4. Step 4: Simplify right side
    359,532.68x = 98,430,903,460.01
  5. Step 5: Solve for x
    x = 98,430,903,460.01/359,532.68
  6. Step 6: Final answer
    x = 273,774.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.